What is CVE-2020-13469?

CVE-2020-13469 is a medium-severity vulnerability in Gigadevice Gd32vf103, classified under Exposure of Resource to Wrong Sphere. CVSS score: 4.6/10. Published 2020-08-31.

How severe is CVE-2020-13469?

Medium severity. CVSS v3 base score is 4.6 out of 10.

Is CVE-2020-13469 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Vulnerability in Gigadevice Gd32vf103

CVE-2020-13469

The flash memory readout protection in Gigadevice GD32VF103 devices allows physical attackers to extract firmware via the debug interface by utilizing the CPU.

Published 2020-08-31 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 4.6 (Medium). Vector: CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N.

EPSS exploit prediction

EPSS: 0.004 (30.4th percentile), scored 2026-10-01.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 30th percentile — 30.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000

Affected products

Weakness classification (CWE)

CWE-668 — Exposure of Resource to Wrong Sphere

Public proof-of-concept exploits

s-index/dora

References

www.usenix.org/system/files/woot20-paper-obermaier.pdf (Technical Description, Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2020-13469?: CVE-2020-13469 is a medium-severity vulnerability in Gigadevice Gd32vf103, classified under Exposure of Resource to Wrong Sphere. CVSS score: 4.6/10. Published 2020-08-31.
How severe is CVE-2020-13469?: Medium severity. CVSS v3 base score is 4.6 out of 10.
Is CVE-2020-13469 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.